At 11:30pm on October 11th, 1975, a ferocious troupe of young comedians and writers changed television forever. Find out what happened behind the scenes in the 90 minutes leading up to the first broadcast of Saturday Night Live (1975).

John Garrity, his estranged wife and their young son embark on a perilous journey to find sanctuary as a planet-killing comet hurtles toward Earth. Amid terrifying accounts of cities getting levelled, the Garritys experience the best and worst in humanity. As the countdown to the global apocalypse approaches zero, their incredible trek culminates in a desperate and last-minute flight to a possible safe haven.